[Semantic Web]RDF & RDF Schema |
Lee 发表于 2006/2/14 18:41:25 |
Although often called a “language”, RDF is essentially a data-model. Its basic building block is an object-attribute-value triple, called a statement. |
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[Semantic Web]Logic and The Semaintic Web |
Lee 发表于 2006/2/14 18:32:51 |
Logic is the discipline that studies the principles of reasoning; it goes back to Aristotle. In general, logic offers, first, formal languages for expressing knowledge. Second, logic provides us with well-understood formal semantics: in most logics, the
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